.nf
.EQ
x
.EN
.sp
.EQ
alpha ~ beta ~ sum ~ int ~ pi ~ partial
.EN
.sp
.EQ
x sub i
.EN
.sp
.EQ
x sub i sup k
.EN
.sp
.EQ
a over bc
.EN
.sp
.EQ
a over b+c
.EN
.sp
.EQ
x sup 2 over a sup 2 ~=~ y sup 2 over b sup 2
.EN
.sp
.EQ
sum from i=0 to n x
.EN
.sp
.EQ
pile {a above b above c}
.EN
.sp
.EQ
left [
cpile {abcdef above b above cd}
right ]
.EN
.sp
.EQ
sqrt x ~~~ sqrt {ax sup 2 + bx+c}
.EN